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生产用料 : 19 phrases in 11 subjects |
| Aviation | 2 |
| Business | 4 |
| Cosmetics and cosmetology | 1 |
| Economy | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Metallurgy | 2 |
| Project management | 1 |
| Statistics | 1 |
| Technology | 3 |
| United Nations | 1 |
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